New Memory EERAM Offering from Microchip Offers Unlimited Endurance Along with Safe Data Storage at Power Loss

A new low-cost, low-risk memory solution offering unlimited endurance and safe data storage at power loss is now available from Microchip Technology Inc. This new I2C EERAM memory is an easy-to-implement, non-volatile SRAM memory that is ideal for applications that need to constantly or instantaneously record, update or monitor data including metering, automotive and industrial applications. 




EERAM is a standalone SRAM memory with shadow EEPROM back-up on a single chip that helps automatically retain contents of the SRAM memory when system power is lost. The EERAM offers instant random writes to the array with no write cycle delay. The I2C EERAM family is available in 4 Kb and 16 Kb densities and comes in standard 8-pin SOIC, TSSOP and PDIP packages. EERAM is available in 3.0V and 5.0V options and in industrial and automotive temperature ranges (-40°C to 85°C and -40°C to 125°C) and is also available in automotive grade.


Comprised of two familiar and reliable memory technologies on a single chip, EEPROM and SRAM, EERAM offers a robust and dependable data solution that is also the lowest cost non-volatile SRAM solution. EERAM does not require an external battery to safely store data during a power loss event. Instead, a small, external capacitor is needed to provide the energy needed to store the contents of the SRAM on to the EEPROM when system power is lost.


Combines Reliability of EEPROM with Performance of SRAM



  • 4Kb-16Kb I2C
  • Non-Volatile (with external Capacitor)
  • Unlimited Erase Write Cycles
  • Instantaneous, Random R/W
  • -40C to +125C


EERAM is useful in applications needing


Ultra-Fast Writes, Random Access


Unlimited Writes to Memory


Preserve Data Reliably through Power Loss



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